<template>
  <a-card :bordered="false" class="card-area">
    <a-form layout="horizontal">
      <div :class="advanced ? null : 'fold'">
        <a-row>
          <a-col :md="12" :sm="24">
            <a-form-item
              label="操作人"
              :labelCol="{ span: 5 }"
              :wrapperCol="{ span: 18, offset: 1 }"
            >
              <a-input v-model="queryParams.userName" />
            </a-form-item>
          </a-col>
          <a-col :md="12" :sm="24">
            <a-form-item
              label="操作描述"
              :labelCol="{ span: 5 }"
              :wrapperCol="{ span: 18, offset: 1 }"
            >
              <a-input v-model="queryParams.operation" />
            </a-form-item>
          </a-col>
        </a-row>
        <a-row v-if="advanced">
          <a-col :md="12" :sm="24">
            <a-form-item
              label="操作地点"
              :labelCol="{ span: 5 }"
              :wrapperCol="{ span: 18, offset: 1 }"
            >
              <a-input v-model="queryParams.location" />
            </a-form-item>
          </a-col>
          <a-col :md="12" :sm="24">
            <a-form-item
              label="操作时间"
              :labelCol="{ span: 5 }"
              :wrapperCol="{ span: 18, offset: 1 }"
            >
              <range-date
                @change="handleDateChange"
                ref="createTime"
                style="width: 100%"
              ></range-date>
            </a-form-item>
          </a-col>
        </a-row>
      </div>
      <span style="float: right; margin-top: 3px;">
        <a-button type="primary" icon="search" @click="search">查询</a-button>
        <a-button
          type="primary"
          icon="reload"
          style="margin-left: 8px"
          @click="reset"
          >重置</a-button
        >
        <a @click="toggleAdvanced" style="margin-left: 8px">
          {{ advanced ? "收起" : "展开" }}
          <a-icon :type="advanced ? 'up' : 'down'" />
        </a>
      </span>
    </a-form>
    <div>
      <div class="operator">
        <a-button
          v-hasPermission="'log:delete'"
          @click="batchDelete"
          type="primary"
          ghost
          >删除</a-button
        >
        <a-dropdown v-hasPermission="'log:export'">
          <a-menu slot="overlay">
            <a-menu-item key="export-data" @click="exprotExccel"
              >导出Excel</a-menu-item
            >
          </a-menu>
          <a-button> 更多操作 <a-icon type="down" /> </a-button>
        </a-dropdown>
      </div>
      <!-- 表格区域 -->
      <a-table
        ref="TableInfo"
        :columns="columns"
        :dataSource="dataSource"
        :pagination="pagination"
        :loading="loading"
        :rowSelection="{
          selectedRowKeys: selectedRowKeys,
          onChange: onSelectChange
        }"
        @change="handleTableChange"
        :scroll="{ x: 1400 }"
      >
        <template slot="method" slot-scope="text">
          <a-popover placement="topLeft">
            <template slot="content">
              <div>{{ text }}</div>
            </template>
            <p style="width: 200px;margin-bottom: 0">{{ text }}</p>
          </a-popover>
        </template>
        <template slot="params" slot-scope="text">
          <a-popover placement="topLeft">
            <template slot="content">
              <div style="max-width: 300px;">{{ text }}</div>
            </template>
            <p style="width: 100px;margin-bottom: 0">{{ text }}</p>
          </a-popover>
        </template>
      </a-table>
    </div>
  </a-card>
</template>

<script>
import RangeDate from "../../components/datetime/RangeDate";

export default {
  name: "SystemLog",
  components: { RangeDate },
  data() {
    return {
      advanced: false,
      dataSource: [],
      sortedInfo: null,
      paginationInfo: null,
      selectedRowKeys: [],
      queryParams: {},
      pagination: {
        pageSizeOptions: ["10", "20", "30", "40", "100"],
        defaultCurrent: 1,
        defaultPageSize: 10,
        showQuickJumper: true,
        showSizeChanger: true,
        showTotal: (total, range) =>
          `显示 ${range[0]} ~ ${range[1]} 条记录，共 ${total} 条记录`
      },
      loading: false
    };
  },
  computed: {
    columns() {
      let { sortedInfo } = this;
      sortedInfo = sortedInfo || {};
      return [
        {
          title: "操作人",
          dataIndex: "userName"
        },
        {
          title: "操作描述",
          dataIndex: "operation"
        },
        {
          title: "耗时",
          dataIndex: "time",
          customRender: text => {
            return text + " ms";
          },
          sorter: true,
          sortOrder: sortedInfo.columnKey === "time" && sortedInfo.order
        },
        {
          title: "执行方法",
          dataIndex: "method",
          scopedSlots: { customRender: "method" }
        },
        {
          title: "方法参数",
          dataIndex: "params",
          scopedSlots: { customRender: "params" },
          width: 100
        },
        {
          title: "IP地址",
          dataIndex: "ip"
        },
        {
          title: "操作地点",
          dataIndex: "location"
        },
        {
          title: "操作时间",
          dataIndex: "createTime",
          sorter: true,
          sortOrder: sortedInfo.columnKey === "createTime" && sortedInfo.order
        }
      ];
    }
  },
  mounted() {
    this.fetch();
  },
  methods: {
    onSelectChange(selectedRowKeys) {
      this.selectedRowKeys = selectedRowKeys;
    },
    toggleAdvanced() {
      this.advanced = !this.advanced;
      if (!this.advanced) {
        this.queryParams.createTimeFrom = "";
        this.queryParams.createTimeTo = "";
        this.queryParams.location = "";
      }
    },
    handleDateChange(value) {
      if (value) {
        this.queryParams.createTimeFrom = value[0];
        this.queryParams.createTimeTo = value[1];
      }
    },
    batchDelete() {
      if (!this.selectedRowKeys.length) {
        this.$message.warning("请选择需要删除的记录");
        return;
      }
      let that = this;
      this.$confirm({
        title: "确定删除所选中的记录?",
        content: "当您点击确定按钮后，这些记录将会被彻底删除",
        centered: true,
        onOk() {
          let ids = [];
          for (let key of that.selectedRowKeys) {
            ids.push(that.dataSource[key].id);
          }
          that.$delete("log/" + ids.join(",")).then(() => {
            that.$message.success("删除成功");
            that.selectedRowKeys = [];
            that.search();
          });
        },
        onCancel() {
          that.selectedRowKeys = [];
        }
      });
    },
    exprotExccel() {
      let { sortedInfo } = this;
      let sortField, sortOrder;
      // 获取当前列的排序和列的过滤规则
      if (sortedInfo) {
        sortField = sortedInfo.field;
        sortOrder = sortedInfo.order;
      }
      const fileName = `系统日志导出_${new Date().getTime()}.xlsx`;
      this.$export(
        "log/excel",
        {
          sortField: sortField,
          sortOrder: sortOrder,
          ...this.queryParams
        },
        fileName
      );
    },
    search() {
      let { sortedInfo } = this;
      let sortField, sortOrder;
      // 获取当前列的排序和列的过滤规则
      if (sortedInfo) {
        sortField = sortedInfo.field;
        sortOrder = sortedInfo.order;
      }
      this.fetch({
        sortField: sortField,
        sortOrder: sortOrder,
        ...this.queryParams
      });
    },
    reset() {
      // 取消选中
      this.selectedRowKeys = [];
      // 重置分页
      this.$refs.TableInfo.pagination.current = this.pagination.defaultCurrent;
      if (this.paginationInfo) {
        this.paginationInfo.current = this.pagination.defaultCurrent;
        this.paginationInfo.pageSize = this.pagination.defaultPageSize;
      }
      // 重置列排序规则
      this.sortedInfo = null;
      // 重置查询参数
      this.queryParams = {};
      // 清空时间选择
      if (this.advanced) {
        this.$refs.createTime.reset();
      }
      this.fetch();
    },
    handleTableChange(pagination, filters, sorter) {
      // 将这两个参数赋值给Vue data，用于后续使用
      this.paginationInfo = pagination;
      this.sortedInfo = sorter;
      this.fetch({
        sortField: sorter.field,
        sortOrder: sorter.order,
        ...this.queryParams,
        ...filters
      });
    },
    fetch(params = {}) {
      this.loading = true;
      if (this.paginationInfo) {
        // 如果分页信息不为空，则设置表格当前第几页，每页条数，并设置查询分页参数
        this.$refs.TableInfo.pagination.current = this.paginationInfo.current;
        this.$refs.TableInfo.pagination.pageSize = this.paginationInfo.pageSize;
        params.pageSize = this.paginationInfo.pageSize;
        params.pageNum = this.paginationInfo.current;
      } else {
        // 如果分页信息为空，则设置为默认值
        params.pageSize = this.pagination.defaultPageSize;
        params.pageNum = this.pagination.defaultCurrent;
      }
      this.$get("/api/log", {
        ...params
      }).then(r => {
        let data = r.data.data;
        const pagination = { ...this.pagination };
        pagination.total = data.total;
        this.loading = false;
        this.dataSource = data.rows;
        this.pagination = pagination;
      });
    }
  }
};
</script>
<style lang="less" scoped>
@import "../../../public/less/Common";
</style>
